Side by side comparison and review of HTC Desire 820 and Alcatel U3 3G. Compare sizes, cameras, batteries, memory capacities and other key specifications and features to simplify the choice of your perfect phone. Our goal is to make it easier for you to decide on the phone that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | HTC Desire 820 | Alcatel U3 3G |
|---|
| Product Type | Smartphone | Smartphone | |
|---|---|---|---|
| Form Factor | Touch | Touch | |
| Height | 157.7 mm | 121.3 mm | HTC Desire 820 has greater height than Alcatel U3 3G. |
| Width | 78.74 mm | 64.4 mm | HTC Desire 820 has greater width than Alcatel U3 3G. |
| Depth | 7.74 mm | 9.7 mm | HTC Desire 820 is narrower than HTC Desire 820. |
| Weight | 155 g | 102 g | Alcatel U3 3G is lighter than HTC Desire 820. |
| Body Colour | Tuxedo grey | Marble white | Volcano black | |
| Body Material | Polycarbonate | - | |
| Waterproof (Water-resistant) | - | - | |
| SAR Value | 0.323 W/kg (body), 0.373 W/kg (head) | - | |
| Integrated Components | FM radio | FM radio | |
| Connector Type | Headset jack - mini-phone 3.5mm Micro-USB - 5 pin Micro-USB Type B |
Micro-USB - 5 pin Micro-USB Type B Headset jack - mini-phone 3.5mm |
|
| SIM Card Type (Size) | Nano SIM | Micro SIM | |
| SIM Card Qty | - | Dual-SIM |
| DISPLAY | HTC Desire 820 | Alcatel U3 3G |
|---|
| Display Type | LCD display | LCD display | |
|---|---|---|---|
| Display Technology | Super LCD 2 | TFT | |
| Screen Size (Display Size) | 5.5" | 4" | HTC Desire 820 has larger screen size than Alcatel U3 3G. |
| Screen Resolution (Display Resolution) | 1280 x 720 pixels | 800 x 480 pixels | HTC Desire 820 has better screen resolution than Alcatel U3 3G. |
| Display Format | HD | - | |
| Pixel Density | 267 ppi | - | |
| Colour Depth | 16.7 million colours | - | |
| Display Protection (Screen Protector) | Corning Gorilla Glass 3 (scratch resistant glass) | - |
| PROCESSOR | HTC Desire 820 | Alcatel U3 3G |
|---|
| Processor Type (CPU) | Qualcomm Snapdragon 615 | - | |
|---|---|---|---|
| Clock Speed | - | 1.3 GHz | |
| Processor Core Qty | 8-core | Dual-core | HTC Desire 820 has higher processor core quantity than Alcatel U3 3G. |
| Graphics System (GPU) | Qualcomm ADRENO 405 | - |
| MEMORY | HTC Desire 820 | Alcatel U3 3G |
|---|
| RAM | 2 GB | 512 MB | HTC Desire 820 has more RAM than Alcatel U3 3G. |
|---|---|---|---|
| Internal Memory Size (Storage Capacity) | 16 GB | 4 GB | HTC Desire 820 has more internal memory than Alcatel U3 3G. |
| User Memory | 11.2 GB | 700 MB | |
| Supported Flash Memory Cards (Expandable Memory) | microSDHC, microSDXC - up to 128 GB | microSDHC - up to 32 GB |
| CAMERA | HTC Desire 820 | Alcatel U3 3G |
|---|
| MAIN CAMERA |
|---|
| Number of Main Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution | 13 Megapixel | 2 Megapixel | HTC Desire 820 has better camera resolution than Alcatel U3 3G. |
| Sensor Type | BSI-CMOS | - | |
| Lens Aperture | F/2.2 | - | |
| Focus Adjustment | Automatic | Focus free | |
| Minimum Focal Length (Focal Distance) | 28 mm | - | |
| HDR Mode | Auto HDR mode | - | |
| Camera Modes | Burst mode | - | |
| Face Recognition (Face ID) | Face detection | - | HTC Desire 820 has face detection. |
| Light Source | LED light | LED light | |
| Still Image Resolutions | 4160 x 3120 | - | |
| Video Resolutions | 1920 x 1080 (1080p) | - | |
| Camera Features (Functions) | Auto selfie, Photo Booth feature, Live Makeup, Split Capture | Interpolated to 3MP |
| FRONT CAMERA |
|---|
| Number of Front Cameras | 1 | 1 | |
|---|---|---|---|
| Sensor Resolution (Front) | 8 Megapixel | 0.3 Megapixel | HTC Desire 820 has better front camera resolution than Alcatel U3 3G. |
| Sensor Type (Front) | BSI-CMOS | - | |
| Special Effects (Front) | Face fusion | - | |
| Light Source (Front) | - | LED flash | |
| Video Resolutions (Front) | 1920 x 1080 (1080p) | - | |
| Camera Features (Front) | - | Interpolated to 1.3MP |
| BATTERY AND CHARGING | HTC Desire 820 | Alcatel U3 3G |
|---|
| Battery Capacity (Battery Size) | 2600 mAh | 1500 mAh | HTC Desire 820 has larger battery capacity than Alcatel U3 3G. |
|---|---|---|---|
| Standby Time | 455 hours | - | |
| Talk Time | 1068 minutes | - | |
| Run Time Details | Talk (WCDMA): up to 1068 min Standby (WCDMA): up to 455 hrs |
- | |
| Battery Technology | Lithium polymer | - |
| CELLULAR | HTC Desire 820 | Alcatel U3 3G |
|---|
| Technology | WCDMA (UMTS) / GSM | WCDMA (UMTS) / GSM | |
|---|---|---|---|
| Mobile Broadband Generation | 4G | 3G | HTC Desire 820 has more advanced generation mobile network. |
| Operating System | Android 4.4 (KitKat) | Android 6.0 (Marshmallow) | |
| User Interface | HTC Sense | - | |
| Navigation | A-GPS, GLONASS | GPS, A-GPS |
| COMMUNICATIONS | HTC Desire 820 | Alcatel U3 3G |
|---|
| Data Transmission | GPRS, EDGE, HSDPA, HSUPA, HSPA+, LTE | GPRS, EDGE, HSDPA, HSUPA, HSPA+ | |
|---|---|---|---|
| 2G Band | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | 850 GSM, 900 GSM, 1800 GSM, 1900 GSM | |
| 3G UMTS Band | - | Band 1, Band 8 | |
| 3G UMTS Frequency | - | 2100, 900 | |
| 4G LTE Band | Band 3, Band 7, Band 8, Band 20 | - | |
| 4G LTE Frequency | FDD 1800+, FDD 2600, FDD 900, FDD 800 DD | - | |
| Wireless Interface | IEEE 802.11a/b/g/n | IEEE 802.11b/g/n | |
| Bluetooth | Bluetooth 4.0 | Bluetooth 4.0 | |
| Bluetooth Profiles | A2DP | - | |
| NFC | Yes | - | HTC Desire 820 has NFC reader for mobile payments. |
| Communication Features | Mobile Email client, Internet browser | - | |
| Messaging Services | SMS, MMS | SMS, MMS |
| MEDIA | HTC Desire 820 | Alcatel U3 3G |
|---|
| Supported Digital Audio Standards | WAV, AAC, AMR, MP3, OGG, MIDI, M4A, WMA 9 | - | |
|---|---|---|---|
| Supported Digital Video Standards | AVI, MPEG-4, 3GP, H.264, H.263, WMV9, 3G2 | - | |
| Sound Enhancements | HTC BoomSound | - |
| FEATURES | HTC Desire 820 | Alcatel U3 3G |
|---|
| Phone Functions | Speakerphone, voice control, call timer, conference call, voice dialing, vibrating alert | Speakerphone, voice control, call timer, conference call, flight mode, voice dialing, vibrating alert | |
|---|---|---|---|
| Sensors | Accelerometer, ambient light sensor, proximity sensor | Proximity sensor, G-sensor | |
| Personal Information Management | Calendar, synchronization with PC, calculator, reminder, alarm clock | - | |
| Additional Phone Features | DLNA Certified, sharing media via DLNA, Wi-Fi Miracast, HTC BlinkFeed, HTC Sense Voice | Radio Data Service (RDS) |
| OTHERS | HTC Desire 820 | Alcatel U3 3G |
|---|
| Included Accessories | Power adapter | Power adapter |
|---|
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